Advance ㅈ prime years in Korean: 전성기’s meaning and pronunciation prime years in Korean is 전성기. For examples, you can use like [전성기가 끝나다, 전성기가 지나다]. In this post you will learn how to pronounce and use prime years in Korean along with examples. 2022.12.21 Advance ㅈAdvanced WordsWordsㅈ